It concluded that due to the amount of human carbon emissions in the atmosphere, the planet has reached 3 to 7 degrees Celsius of global warming. (natureworldnews.com)
After that, the planet warmed without significant human carbon emissions to blame, so what caused it? (paulmacrae.com)
It is characteristic of a type of forest that is playing a big role in limiting the damage from human carbon emissions: a recovering forest. (nytimes.com)